Tonight at 7 PM, Third Coast International Audio Festival sponsors a free “listening room” at Chicago Urban Art Society (2229 S. Halsted) with audio documentaries collected through their ShortDocs Challenge and an interactive “doodling experiment” (paper and tools provided) with guest artists Corinne Mucha and Rob Funderbur. Third Coast’s Julie Shapiro and WBEZ’s Alison Cuddy cohost.